EX-21 4 ex21q415.htm SUBSIDIARIES OF REGISTRANT Exhibit

Exhibit 21

Subsidiaries of the Registrant
 
 
 
Significant Subsidiary
 
Jurisdiction of
Incorporation/Formation
IHS Global Inc.
 
Delaware
IHS Global Limited
 
United Kingdom
IHS Group Holdings Limited
 
United Kingdom
IHS International Holdings Limited
 
United Kingdom
R. L. Polk & Co.
 
Delaware
CARFAX, Inc.
 
Pennsylvania